Earthquake Information
 Origin Time
2020-10-18 08:07:16 (GMT)
 Magnitude
M 4.2
 Latitude
39.1365° N
 Longitude
23.4667° E
 Focal Depth
18 km
 # of Arrivals
99
 Location 3.7 km SSW of Skiathos
51.6 km ESE of Volos
130.3 km N of Athens
 Solution type
manual
 Files / Links
QuakeML  GSE2.0  Alert  .phi  ShakeMap  Foc.Mech.
  

  Focal Mechanism

Foc.Mech. Strike (°) Dip (°) Rake (°) Seism.Mom. (dyn*cm)
29359-18 2.64E+22

Latitude (°N) Longitude (°E) Depth (km) Magnitude Mw
39.135423.494413.04.2

Source parameters determination

Click here for detailed focal mechanism solution


  Intensity map


PGA
PGV
MI

Download files: Google Earth (.kmz), Measurements (.csv)


  Station data

StationNetDist.(km)Azim.PhaseArr.TimeRes.Wgt.Type
NEOHL28.3312 P08:07:22.17 -0.31.0M
NEOHL28.3312 S08:07:26.41 -0.41.0M
XORHT34.8317 P08:07:23.33 -0.11.0M
XORHT34.8317 S08:07:28.23 -0.31.0M
VOL2HI64.2300 P08:07:26.01 0.11.0M
VOL2HI64.2300 S08:07:32.90 0.11.0M
ATALHA62.6218 P08:07:27.03 -0.61.0M
LKRHL67.6217 P08:07:27.79 -0.61.0M
LKRHL67.6217 S08:07:37.16 -0.11.0M
AXARHA81.1240 P08:07:30.28 -0.21.0M
KYMIHL78.4135 P08:07:29.43 -0.61.0M
KYMIHL78.4135 S08:07:40.43 0.21.0M
AGGHT98.4263 P08:07:32.83 -0.41.0M
AGGHT98.4263 S08:07:46.53 0.71.0M
SKYHL97.6107 P08:07:33.39 0.41.0M
SKYHL97.6107 S08:07:45.87 0.41.0M
DLFAHL111.5229 P08:07:34.77 -0.41.0M
DLFAHL111.5229 S08:07:49.56 0.31.0M
STFNHA106.9176 P08:07:34.30 -0.11.0M
STFNHA106.9176 S08:07:47.85 -0.11.0M
MDRAHA119.6180 P08:07:36.03 -0.31.0M
MDRAHA119.6180 S08:07:51.19 -0.11.0M
MRTHHA120.0160 P08:07:36.51 0.11.0M
MRTHHA120.0160 S08:07:51.18 -0.21.0M
TYRNHT123.8301 P08:07:37.39 0.41.0M
TYRNHT123.8301 S08:07:53.16 0.71.0M
ATH5HI131.2170 P08:07:37.48 -0.61.0M
ATHUHA133.0168 P08:07:38.41 0.01.0M
ATHUHA133.0168 S08:07:54.35 -0.61.0M
EFSAHL138.4 71 P08:07:39.41 0.11.0M
EFSAHL138.4 71 S08:07:57.04 0.61.0M
LITHT136.0322 P08:07:39.17 0.21.0M
LITHT136.0322 S08:07:56.26 0.31.0M
LOUTHA134.7199 P08:07:38.77 0.11.0M
LOUTHA134.7199 S08:07:54.93 -0.51.0M
LTKHP131.2199 P08:07:37.98 -0.21.0M
LTKHP131.2199 S08:07:54.47 0.01.0M
NOACHL131.1170 P08:07:38.44 0.31.0M
NOACHL131.1170 S08:07:53.92 -0.51.0M
PANRCL135.4231 P08:07:38.59 -0.21.0M
PANRCL135.4231 S08:07:55.85 0.21.0M
PLGHL137.3359 P08:07:39.14 0.01.0M
PLGHL137.3359 S08:07:56.04 -0.21.0M
ACORHA148.0201 P08:07:40.77 0.11.0M
ACORHA148.0201 S08:07:59.07 0.11.0M
ANXHP146.8246 P08:07:40.96 0.31.0M
ANXHP146.8246 S08:07:58.51 -0.41.0M
EVRHL145.1260 P08:07:40.98 0.51.0M
EVRHL145.1260 S08:07:58.36 -0.21.0M
KALEHA141.8234 P08:07:39.98 0.11.0M
KALEHA141.8234 S08:07:57.56 0.01.0M
KARYHA149.0145 P08:07:40.63 -0.21.0M
KARYHA149.0145 S08:07:58.51 -0.61.0M
OURHT140.3 18 P08:07:39.63 0.21.0M
OURHT140.3 18 S08:07:56.72 -0.11.0M
THALHA140.9210 P08:07:39.74 0.11.0M
THALHA140.9210 S08:07:56.90 -0.21.0M
VLYHL145.6169 P08:07:40.21 -0.11.0M
VLYHL145.6169 S08:07:57.96 -0.41.0M
EFPHP156.6240 P08:07:41.98 0.21.0M
EFPHP156.6240 S08:08:01.73 0.81.0M
MG00CL154.3239 P08:07:41.83 0.31.0M
MG00CL154.3239 S08:08:01.01 0.71.0M
TEMECL154.3229 P08:07:41.76 0.31.0M
TEMECL154.3229 S08:08:00.35 0.11.0M
EPIDHA171.9190 P08:07:43.74 0.01.0M
EPIDHA171.9190 S08:08:04.27 -0.11.0M
GURHP165.5216 P08:07:42.77 -0.31.0M
GURHP165.5216 S08:08:02.68 -0.41.0M
KLVHL166.9223 P08:07:43.14 -0.11.0M
KLVHL166.9223 S08:08:03.60 0.31.0M
LIAHL169.6 60 P08:07:43.24 -0.21.0M
LIAHL169.6 60 S08:08:04.04 0.21.0M
THEHT171.7345 P08:07:43.42 -0.31.0M
AGRPCL172.2242 P08:07:44.09 0.31.0M
PVOHP177.7251 P08:07:45.26 0.71.0M
SOHHT187.5357 P08:07:45.92 0.11.0M
SOHHT187.5357 S08:08:07.25 -0.71.0M
TETRHL190.2277 P08:07:46.63 0.41.0M
TETRHL190.2277 S08:08:09.02 0.31.0M
DROHP201.6229 P08:07:47.60 0.01.0M
KPROHT202.0297 P08:07:48.26 0.51.0M
KPROHT202.0297 S08:08:11.38 0.01.0M
PLEVHP195.8246 P08:07:47.64 0.81.0M
PLEVHP195.8246 S08:08:10.70 0.91.0M
AXSHP209.4240 P08:07:49.05 0.51.0M
PRMDHP208.5282 P08:07:49.10 0.51.0M
PRMDHP208.5282 S08:08:13.44 0.61.0M
RLSHL211.4235 P08:07:49.42 0.61.0M
RLSHL211.4235 S08:08:13.71 0.51.0M
GRGHT221.6336 P08:07:50.03 -0.11.0M
GRGHT221.6336 S08:08:15.25 -0.41.0M
SRSHT219.5 3 P08:07:49.75 -0.11.0M
SRSHT219.5 3 S08:08:14.52 -0.51.0M
VLXHP218.1206 P08:07:49.86 0.11.0M
VLXHP218.1206 S08:08:14.84 -0.11.0M
CHOSHT239.0110 P08:07:52.28 -0.21.0M
PRKHL241.4 87 P08:07:52.52 -0.21.0M
PRKHL241.4 87 S08:08:19.70 -0.41.0M


  Solution details

Event:
    Public ID              nkua2020umhl
    Type                   earthquake
    Description
      region name: Aegean Sea
Origin:
    Date                   2020-10-18
    Time                  08:07:16.67
    Latitude              39.1365 deg  +/-      0 km
    Longitude             23.4667 deg  +/-      0 km
    Depth                      18 km   +/-    0 km
    Agency                 HA
    Author                 A.Karakonstantis
    Mode                   manual
    Status                 confirmed
    Residual RMS             0.34 s
    Azimuthal gap              42 deg

2 Network magnitudes:
    MLv       4.21 +/- 0.18  42            
    M         4.21           42 preferred  

99 Phase arrivals:
    sta  net   dist azi  phase   time          res     wt  sta
    NEO   HL    0.3 312  P       08:07:22.17  -0.3 M  1.0  NEO  
    NEO   HL    0.3 312  S       08:07:26.41  -0.4 M  1.0  NEO  
    XOR   HT    0.3 317  P       08:07:23.33  -0.1 M  1.0  XOR  
    XOR   HT    0.3 317  S       08:07:28.23  -0.3 M  1.0  XOR  
    VOL2  HI    0.5 300  P       08:07:26.01   0.1 M  1.0  VOL2 
    VOL2  HI    0.5 300  S       08:07:32.90   0.1 M  1.0  VOL2 
    ATAL  HA    0.6 218  P       08:07:27.03  -0.6 M  1.0  ATAL 
    LKR   HL    0.6 217  P       08:07:27.79  -0.6 M  1.0  LKR  
    LKR   HL    0.6 217  S       08:07:37.16  -0.1 M  1.0  LKR  
    KYMI  HL    0.7 135  P       08:07:29.43  -0.6 M  1.0  KYMI 
    KYMI  HL    0.7 135  S       08:07:40.43   0.2 M  1.0  KYMI 
    AXAR  HA    0.7 240  P       08:07:30.28  -0.2 M  1.0  AXAR 
    SKY   HL    0.9 107  P       08:07:33.39   0.4 M  1.0  SKY  
    SKY   HL    0.9 107  S       08:07:45.87   0.4 M  1.0  SKY  
    AGG   HT    0.9 263  P       08:07:32.83  -0.4 M  1.0  AGG  
    AGG   HT    0.9 263  S       08:07:46.53   0.7 M  1.0  AGG  
    STFN  HA    1.0 176  P       08:07:34.30  -0.1 M  1.0  STFN 
    STFN  HA    1.0 176  S       08:07:47.85  -0.1 M  1.0  STFN 
    DLFA  HL    1.0 229  P       08:07:34.77  -0.4 M  1.0  DLFA 
    DLFA  HL    1.0 229  S       08:07:49.56   0.3 M  1.0  DLFA 
    MDRA  HA    1.1 180  P       08:07:36.03  -0.3 M  1.0  MDRA 
    MDRA  HA    1.1 180  S       08:07:51.19  -0.1 M  1.0  MDRA 
    MRTH  HA    1.1 160  P       08:07:36.51   0.1 M  1.0  MRTH 
    MRTH  HA    1.1 160  S       08:07:51.18  -0.2 M  1.0  MRTH 
    TYRN  HT    1.1 301  P       08:07:37.39   0.4 M  1.0  TYRN 
    TYRN  HT    1.1 301  S       08:07:53.16   0.7 M  1.0  TYRN 
    NOAC  HL    1.2 170  P       08:07:38.44   0.3 M  1.0  NOAC 
    NOAC  HL    1.2 170  S       08:07:53.92  -0.5 M  1.0  NOAC 
    ATH5  HI    1.2 170  P       08:07:37.48  -0.6 M  1.0  ATH5 
    LTK   HP    1.2 199  P       08:07:37.98  -0.2 M  1.0  LTK  
    LTK   HP    1.2 199  S       08:07:54.47  -0.0 M  1.0  LTK  
    ATHU  HA    1.2 168  P       08:07:38.41   0.0 M  1.0  ATHU 
    ATHU  HA    1.2 168  S       08:07:54.35  -0.6 M  1.0  ATHU 
    LOUT  HA    1.2 199  P       08:07:38.77   0.1 M  1.0  LOUT 
    LOUT  HA    1.2 199  S       08:07:54.93  -0.5 M  1.0  LOUT 
    PANR  CL    1.2 231  P       08:07:38.59  -0.2 M  1.0  PANR 
    PANR  CL    1.2 231  S       08:07:55.85   0.2 M  1.0  PANR 
    LIT   HT    1.2 322  P       08:07:39.17   0.2 M  1.0  LIT  
    LIT   HT    1.2 322  S       08:07:56.26   0.3 M  1.0  LIT  
    PLG   HL    1.2 359  P       08:07:39.14   0.0 M  1.0  PLG  
    PLG   HL    1.2 359  S       08:07:56.04  -0.2 M  1.0  PLG  
    EFSA  HL    1.2  71  P       08:07:39.41   0.1 M  1.0  EFSA 
    EFSA  HL    1.2  71  S       08:07:57.04   0.6 M  1.0  EFSA 
    OUR   HT    1.3  18  P       08:07:39.63   0.2 M  1.0  OUR  
    OUR   HT    1.3  18  S       08:07:56.72  -0.1 M  1.0  OUR  
    THAL  HA    1.3 210  P       08:07:39.74   0.1 M  1.0  THAL 
    THAL  HA    1.3 210  S       08:07:56.90  -0.2 M  1.0  THAL 
    KALE  HA    1.3 234  P       08:07:39.98   0.1 M  1.0  KALE 
    KALE  HA    1.3 234  S       08:07:57.56   0.0 M  1.0  KALE 
    VLY   HL    1.3 169  P       08:07:40.21  -0.1 M  1.0  VLY  
    VLY   HL    1.3 169  S       08:07:57.96  -0.4 M  1.0  VLY  
    EVR   HL    1.3 260  P       08:07:40.98   0.5 M  1.0  EVR  
    EVR   HL    1.3 260  S       08:07:58.36  -0.2 M  1.0  EVR  
    ANX   HP    1.3 246  P       08:07:40.96   0.3 M  1.0  ANX  
    ANX   HP    1.3 246  S       08:07:58.51  -0.4 M  1.0  ANX  
    ACOR  HA    1.3 201  P       08:07:40.77   0.1 M  1.0  ACOR 
    ACOR  HA    1.3 201  S       08:07:59.07   0.1 M  1.0  ACOR 
    KARY  HA    1.3 145  P       08:07:40.63  -0.2 M  1.0  KARY 
    KARY  HA    1.3 145  S       08:07:58.51  -0.6 M  1.0  KARY 
    MG00  CL    1.4 239  P       08:07:41.83   0.3 M  1.0  MG00 
    MG00  CL    1.4 239  S       08:08:01.01   0.7 M  1.0  MG00 
    TEME  CL    1.4 229  P       08:07:41.76   0.3 M  1.0  TEME 
    TEME  CL    1.4 229  S       08:08:00.35   0.1 M  1.0  TEME 
    EFP   HP    1.4 240  P       08:07:41.98   0.2 M  1.0  EFP  
    EFP   HP    1.4 240  S       08:08:01.73   0.8 M  1.0  EFP  
    GUR   HP    1.5 216  P       08:07:42.77  -0.3 M  1.0  GUR  
    GUR   HP    1.5 216  S       08:08:02.68  -0.4 M  1.0  GUR  
    KLV   HL    1.5 223  P       08:07:43.14  -0.1 M  1.0  KLV  
    KLV   HL    1.5 223  S       08:08:03.60   0.3 M  1.0  KLV  
    LIA   HL    1.5  60  P       08:07:43.24  -0.2 M  1.0  LIA  
    LIA   HL    1.5  60  S       08:08:04.04   0.2 M  1.0  LIA  
    THE   HT    1.5 345  P       08:07:43.42  -0.3 M  1.0  THE  
    EPID  HA    1.5 190  P       08:07:43.74   0.0 M  1.0  EPID 
    EPID  HA    1.5 190  S       08:08:04.27  -0.1 M  1.0  EPID 
    AGRP  CL    1.6 242  P       08:07:44.09   0.3 M  1.0  AGRP 
    PVO   HP    1.6 251  P       08:07:45.26   0.7 M  1.0  PVO  
    SOH   HT    1.7 357  P       08:07:45.92   0.1 M  1.0  SOH  
    SOH   HT    1.7 357  S       08:08:07.25  -0.7 M  1.0  SOH  
    TETR  HL    1.7 277  P       08:07:46.63   0.4 M  1.0  TETR 
    TETR  HL    1.7 277  S       08:08:09.02   0.3 M  1.0  TETR 
    PLEV  HP    1.8 246  P       08:07:47.64   0.8 M  1.0  PLEV 
    PLEV  HP    1.8 246  S       08:08:10.70   0.9 M  1.0  PLEV 
    DRO   HP    1.8 229  P       08:07:47.60  -0.0 M  1.0  DRO  
    KPRO  HT    1.8 297  P       08:07:48.26   0.5 M  1.0  KPRO 
    KPRO  HT    1.8 297  S       08:08:11.38   0.0 M  1.0  KPRO 
    PRMD  HP    1.9 282  P       08:07:49.10   0.5 M  1.0  PRMD 
    PRMD  HP    1.9 282  S       08:08:13.44   0.6 M  1.0  PRMD 
    AXS   HP    1.9 240  P       08:07:49.05   0.5 M  1.0  AXS  
    RLS   HL    1.9 235  P       08:07:49.42   0.6 M  1.0  RLS  
    RLS   HL    1.9 235  S       08:08:13.71   0.5 M  1.0  RLS  
    VLX   HP    2.0 206  P       08:07:49.86   0.1 M  1.0  VLX  
    VLX   HP    2.0 206  S       08:08:14.84  -0.1 M  1.0  VLX  
    SRS   HT    2.0   3  P       08:07:49.75  -0.1 M  1.0  SRS  
    SRS   HT    2.0   3  S       08:08:14.52  -0.5 M  1.0  SRS  
    GRG   HT    2.0 336  P       08:07:50.03  -0.1 M  1.0  GRG  
    GRG   HT    2.0 336  S       08:08:15.25  -0.4 M  1.0  GRG  
    CHOS  HT    2.2 110  P       08:07:52.28  -0.2 M  1.0  CHOS 
    PRK   HL    2.2  87  P       08:07:52.52  -0.2 M  1.0  PRK  
    PRK   HL    2.2  87  S       08:08:19.70  -0.4 M  1.0  PRK  

54 Station magnitudes:
    sta  net   dist azi  type   value   res        amp per
    NEO   HL    0.3 312  MLv     4.64  0.43    935.038      
    XOR   HT    0.3 317  MLv     4.31  0.10    105.547      
    VOL2  HI    0.5 300  MLv     4.45  0.24    116.214      
    ATAL  HA    0.6 218  MLv     4.11 -0.10    31.4201      
    LKR   HL    0.6 217  MLv     4.42  0.21    32.4035      
    KYMI  HL    0.7 135  MLv     4.23  0.02    34.5277      
    AXAR  HA    0.7 240  MLv     3.77 -0.44    46.3831      
    SKY   HL    0.9 107  MLv     4.50  0.29    84.7076      
    AGG   HT    0.9 263  MLv     4.40  0.19    31.4759      
    STFN  HA    1.0 176  MLv     4.55  0.34      51.67      
    DLFA  HL    1.0 229  MLv     4.51  0.30     45.094      
    MDRA  HA    1.1 180  MLv     4.27  0.06    23.7626      
    MRTH  HA    1.1 160  MLv     4.36  0.15    29.0421      
    TYRN  HT    1.1 301  MLv     4.26  0.05    17.2267      
    NOAC  HL    1.2 170  MLv     4.49  0.28    34.0868      
    ATH5  HI    1.2 170  MLv     4.39  0.18    27.2105      
    LTK   HP    1.2 199  MLv     3.82 -0.39    27.6506      
    ATHU  HA    1.2 168  MLv     4.23  0.02    11.2907      
    LOUT  HA    1.2 199  MLv     4.39  0.18    26.4144      
    PANR  CL    1.2 231  MLv     5.54  1.33    7.20643      
    LIT   HT    1.2 322  MLv     4.56  0.35    27.6978      
    PLG   HL    1.2 359  MLv     4.53  0.32    34.9751      
    EFSA  HL    1.2  71  MLv     4.15 -0.06    14.5036      
    OUR   HT    1.3  18  MLv     4.17 -0.05    14.6398      
    THAL  HA    1.3 210  MLv     4.20 -0.01     28.212      
    KALE  HA    1.3 234  MLv     4.07 -0.14    11.6309      
    VLY   HL    1.3 169  MLv     4.63  0.42    40.1354      
    EVR   HL    1.3 260  MLv     3.99 -0.22    9.18375      
    ANX   HP    1.3 246  MLv     4.12 -0.09    12.1701      
    ACOR  HA    1.3 201  MLv     3.97 -0.24    8.61438      
    KARY  HA    1.3 145  MLv     4.26  0.05    16.5478      
    MG00  CL    1.4 239  MLv     4.08 -0.13    13.0359      
    TEME  CL    1.4 229  MLv     3.91 -0.30    2.28319      
    EFP   HP    1.4 240  MLv     4.10 -0.11    10.3599      
    GUR   HP    1.5 216  MLv     4.29  0.08    14.4379      
    KLV   HL    1.5 223  MLv     4.18 -0.03    8.48604      
    LIA   HL    1.5  60  MLv     3.99 -0.22    14.0304      
    THE   HT    1.5 345  MLv     4.10 -0.11     5.8143      
    EPID  HA    1.5 190  MLv     4.35  0.14     15.543      
    AGRP  CL    1.6 242  MLv     3.81 -0.40    4.42736      
    PVO   HP    1.6 251  MLv     3.86 -0.35    4.74911      
    SOH   HT    1.7 357  MLv     4.22  0.01    9.56609      
    TETR  HL    1.7 277  MLv     4.33  0.11     11.875      
    PLEV  HP    1.8 246  MLv     3.57 -0.64    1.97103      
    DRO   HP    1.8 229  MLv     3.86 -0.35    7.43021      
    KPRO  HT    1.8 297  MLv     4.28  0.07    9.43208      
    PRMD  HP    1.9 282  MLv     4.31  0.10    9.27565      
    AXS   HP    1.9 240  MLv     3.65 -0.56    2.02992      
    RLS   HL    1.9 235  MLv     3.81 -0.40    2.85648      
    VLX   HP    2.0 206  MLv     3.86 -0.35      2.952      
    SRS   HT    2.0   3  MLv     4.00 -0.21    2.83715      
    GRG   HT    2.0 336  MLv     4.57  0.36    14.5336      
    CHOS  HT    2.2 110  MLv     3.96 -0.25     2.9532      
    PRK   HL    2.2  87  MLv     4.33  0.12    6.70255